Songshan–Xindian line

Songshan–Xindian line
Gongguan station platform
Overview
Other name(s) Green line
Type Rapid transit
Locale Taipei and New Taipei, Republic of China
Termini Songshan
Taipower Building, Xindian
Stations 20
Operation
Opened 11 November 1999
Operator(s) Taipei Rapid Transit Corporation
Character Underground
Depot(s) Xindian Depot
Technical
Line length 21.5 km (13.4 mi)
Number of tracks 2
Track gauge 1,435 mm (4 ft 8 1⁄2 in)
Electrification Third rail (750 volts DC)
Operating speed 80 km/h
Songshan–Xindian line
Traditional Chinese 松山新店線
Simplified Chinese 松山新店线
Alternative Chinese name
Traditional Chinese 綠線
Simplified Chinese 绿线

The Songshan–Xindian or Green line (code G) is a line of the Taipei Metro. Parts of the line runs under the Roosevelt Road, following the route of the former Xindian railway line, which ceased service in 1965 on its southern section.

History

  • January 1991: Construction began on the Xindian line.
  • 21 November 1997: The Songshan-Ximen section is approved by the Executive Yuan.
  • 24 December 1998: The segment from Chiang Kai-shek Memorial Hall-Guting opened for service.
  • 11 November 1999: The rest of the line opened for service, trains run through Tamsui Line to Tamsui Station.[1]
  • 31 August 2000: The segment from Chiang Kai-shek Memorial Hall-Ximen opened for service (as the Xiaonanmen Line).
  • 29 September 2004: The Xiaobitan Branch Line opened for service.[1]
  • 19 August 2006: Construction begins on the Songshan-Ximen section.[2]
  • December 2008: During underground excavation along Nanjing East Road, Section 3, underground support (anchors) for several nearby buildings were discovered. Structural concerns resulted in a temporary suspension of excavation and construction.[3][4]
  • 14 January 2009: The city government announced that the building anchors would not affect the opening of the Songshan-Ximen section.[5]
  • 15 November 2014: With the opening of Songshan Line, trains run between Songshan and Xindian Stations, forming Green Line. Tamsui-Xindian services ended.

Tianshui Road Station

Initial plans for the line originally called for another station between Zhongshan and Beimen stations (at Chien-Cheng Circle). However, the Circle was suffering from economic concerns, as well as engineering feasibility and effectiveness problems. Coupled with problems with landowners regarding joint developments and two of the entrances/exits, plans for the station were shelved on 1 May 2007.[6] The station would have been a five-level underground station with stacked, split platforms.[7]

Line construction (Songshan section)

It was originally estimated that its opening would take place in 2013.[8]

Shield tunneling was used to construct most of the tunnels on the line, except for a few locations.[9] Tunneling beneath Dacheng St. crosses existing Taiwan Railway Administration and Taiwan High Speed Rail tunnels.[9] Common utility ducts were constructed in sync with the Metro line, carrying water pipes, gas pipes, and cables.[10] Over 200 homes were demolished or relocated to make way for Metro land use.[11]

Construction of the line was divided into three civil engineering section contracts and one electrical/mechanical system-wide contract.[12] The contract for construction on the eastern end of the line (including Nanjing Sanmin and Songshan) was awarded to Da Cin Construction Co., Ltd. on 2 March 2006.[13] The 3.02 km (1.88 mi)-long section includes a crossover section, a tail-track work shaft, and three shield tunnels. Construction of the line was completed in late 2014.

In 2008, steel price increases threatened to delay construction plans due to the price doubling over the previous two years.[14] The Ministry of Economic Affairs ordered that exports of other steel products be strictly supervised to ensure a steady local supply and to keep prices down.

Taipei Workshop, a 3rd level historical monument constructed during the era of Japanese rule, was exactly where the proposed Beimen Station would be located. Thus, a temporary removal project commenced on 20 October 2006 to move the structure until construction of both the Songshan Line and the Taoyuan International Airport MRT are completed.[15][16] The building moved 30 meters to the southeast, and moved back when construction is completed.[17]

Rolling stock

Over the years, three kinds of rolling stock were used on this line, as well as on the through services between Xindian and Tamsui. The first fleet of trains were the C301 cars. In 1997, C321 cars were added to the fleet. In 2007, a fleet of C371 cars replaced all C321 cars. (C321 cars continue services on Bannan Line.)

Stations

As of December 2017, the typical off-peak service is:

ServicesCodeStation NameTransferLocation
EnglishChinese
●●G19Songshan松山 Taiwan Railways Administration West Coast (098) SongshanTaipei
●●G18Nanjing Sanmin南京三民
●●G17Taipei Arena臺北小巨蛋
●●G16Nanjing Fuxing南京復興 (BR11) Songshan
Zhongshan
●●G15Songjiang Nanjing松江南京 (O08) Zhongshan
●●G14Zhongshan中山 (R11) Zhongshan
Datong
●●G13Beimen
(Dadaocheng South)		北門
(大稻埕南)		 300 m: Taoyuan Metro     Taoyuan Airport MRT (A1 Taipei) Datong
●●G12Ximen西門 (BL11) Wanhua
Zhongzheng
●●G11Xiaonanmen小南門 Zhongzheng
●●G10Chiang Kai-shek Memorial Hall
(Nanmen)		中正紀念堂
(南門)		 (R08)
●●G09Guting古亭 (O05) Zhongzheng
Da'an
●●G08Taipower Building台電大樓
●G07Gongguan
(National Taiwan University)		公館
(台灣大學)
●G06Wanlong萬隆 Wenshan
●G05Jingmei景美
●G04Dapinglin大坪林  Y  [2017] XindianNew Taipei
●●G03Qizhang七張
｜●G03AXiaobitan
(Xindian Senior High School)		小碧潭
(新店高中)
●G02Xindian District Office新店區公所
●G01Xindian
(Bitan)		新店
(碧潭)

See also

References

  1. 1 2
  2. ↑ "Construction of new Taipei MRT line gets under way". The China Post. 2006-08-20. Retrieved 2010-07-01.
  3. ↑ "挖到大樓地錨 捷運松山線停擺". 自由時報. 2009-01-10. Retrieved 2009-12-06.
  4. ↑ "松山線挖到地錨 環亞段施工暫停". 公視新聞網. Retrieved 2009-12-06.
  5. ↑ "臺北捷運松山線施工挖到環亞百貨大樓地錨捷運局強調不影響松山線通車時程". 臺北市政府捷運工程局中區工程處新聞稿. 2009-01-14. Retrieved 2011-07-31.
  6. ↑ "松山線規劃現況". 2011-05-17. Retrieved 2010-07-31.
  7. ↑ "捷運松山線 CG590A 公開閱覽訊息". Retrieved 2011-07-31.
  8. ↑ "Taipei Metro Network: Green line". Department of Rapid Transit Systems, Taipei City Government. 2008-11-06. Retrieved 2010-11-29.
  9. 1 2 "捷運系統松山線簡介" (PDF). Department of Rapid Transit Systems, Taipei City Government. 2010-09-01. Archived from the original (PDF) on 2013-12-03. Retrieved 2010-11-29.
  10. ↑ "捷運松山線共同管道設計". Department of Rapid Transit Systems. 2008-08-01. Retrieved 2010-06-19.
  11. ↑ "捷運松山線工程用地地上物拆遷作業". Department of Rapid Transit Systems. 2009-02-01. Retrieved 2010-06-19.
  12. ↑ "工程線上 Status Report: 捷運松山線工程特色". Department of Rapid Transit Systems. 2006-11-01. Retrieved 2010-06-19.
  13. ↑ "捷運松山線CG590C區段標工程簽約". Department of Rapid Transit Systems. 2006-05-01. Retrieved 2010-06-19.
  14. ↑ "Rising steel prices to delay work on new MRT lines". Steel Guru. 2008-03-06. Retrieved 2010-07-01.
  15. ↑ "工程線上 Status Report: 松山線北門站臺北工場古蹟挪移工程". Department of Rapid Transit Systems. 2006-12-01. Retrieved 2010-06-19.
  16. ↑ "松山線北門站臺北工場古蹟挪移工程施工前之舊地坪及基礎探挖". Department of Rapid Transit Systems. 2007-02-01. Retrieved 2010-06-19.
  17. ↑ "工程線上 Status Report: 松山線北門站臺北工場古蹟挪移工程". Department of Rapid Transit Systems. 2008-01-01. Retrieved 2010-06-19.
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